500‑million‑year‑old fossil helps fill a strange gap in our record of life on Earth
Roughly 500 million years ago, a strange event in the evolution of life on Earth seems to have…
Fossils in China Push Back Origins of Animals by Millions of Years
Fossil of Archaeaspinus, a member of the Ediacaran biota. Credit: Masahiro Miyasaka / Wikimedia Commons / CC BY-SA…
500-million-year-old spider relative has claws where it shouldn’t
The fossil was completely unremarkable. That’s what Harvard University paleontologist Rudy Lerosey-Aubril initially thought while examining an arthropod…